415 lines
14 KiB
C++
415 lines
14 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: schemaparser.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: rt $ $Date: 2005-09-08 04:41:45 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include "schemaparser.hxx"
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// -----------------------------------------------------------------------------
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#ifndef CONFIGMGR_WRAPEXCEPTION_HXX
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#include "wrapexception.hxx"
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#endif
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#define WRAP_PARSE_EXCEPTIONS() \
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PASS_EXCEPTION(sax::SAXException) \
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PASS_EXCEPTION(uno::RuntimeException) \
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WRAP_CONFIGDATA_EXCEPTIONS( raiseParseException ) \
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WRAP_OTHER_EXCEPTIONS( raiseParseException )
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#define WRAP_PARSE_EXCEPTIONS_MSG( msg ) \
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PASS_EXCEPTION(sax::SAXException) \
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PASS_EXCEPTION(uno::RuntimeException) \
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WRAP_CONFIGDATA_EXCEPTIONS1( raiseParseException, msg ) \
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WRAP_OTHER_EXCEPTIONS1( raiseParseException, msg )
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// -----------------------------------------------------------------------------
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namespace configmgr
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{
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// -----------------------------------------------------------------------------
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namespace xml
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{
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// -----------------------------------------------------------------------------
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namespace uno = ::com::sun::star::uno;
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namespace sax = ::com::sun::star::xml::sax;
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// -----------------------------------------------------------------------------
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SchemaParser::SchemaParser(Context const & _xContext, uno::Reference< backenduno::XSchemaHandler > const & _xHandler, Select _selector)
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: BasicParser(_xContext)
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, m_xHandler(_xHandler)
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, m_sComponent()
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, m_selector(_selector)
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, m_selected(selectNone)
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{
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if (!m_xHandler.is())
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{
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OUString sMessage(RTL_CONSTASCII_USTRINGPARAM("Cannot create SchemaParser: Unexpected NULL Handler"));
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throw uno::RuntimeException(sMessage, *this);
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}
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OSL_ENSURE(m_selector != selectNone, "Warning: Schema handler will handle no part of the schema");
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}
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// -----------------------------------------------------------------------------
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SchemaParser::~SchemaParser()
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{
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL SchemaParser::startDocument( )
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throw (sax::SAXException, uno::RuntimeException)
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{
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BasicParser::startDocument();
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OSL_ENSURE(isEmptyNode(), "BasicParser does not mark new document as empty");
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m_sComponent = OUString();
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m_selected = selectNone;
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL SchemaParser::endDocument( ) throw (sax::SAXException, uno::RuntimeException)
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{
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if (isSelected())
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raiseParseException("Schema XML Parser: Invalid XML: Document ends while section is open");
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if (isEmptyNode()) OSL_TRACE("Configuration Parser: XML schema document ended without any data");
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BasicParser::endDocument();
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL SchemaParser::startElement( const OUString& aName, const uno::Reference< sax::XAttributeList >& xAttribs )
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throw (sax::SAXException, uno::RuntimeException)
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{
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if ( this->isSkipping() )
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{
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this->startSkipping( aName, xAttribs );
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return;
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}
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ElementInfo aInfo = getDataParser().parseElementInfo(aName,xAttribs);
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try
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{
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switch (aInfo.type)
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{
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case ElementType::schema:
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this->startSchema(aInfo,xAttribs);
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break;
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case ElementType::component:
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this->startSection(selectComponent, aInfo, xAttribs);
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break;
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case ElementType::templates:
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this->startSection(selectTemplates, aInfo, xAttribs);
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break;
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case ElementType::import:
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this->handleImport(aInfo,xAttribs);
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this->startSkipping( aName, xAttribs );
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break;
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case ElementType::uses:
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this->startSkipping( aName, xAttribs );
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break;
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case ElementType::instance:
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this->handleInstance(aInfo,xAttribs);
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this->startSkipping( aName, xAttribs );
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break;
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case ElementType::item_type:
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this->handleItemType(aInfo,xAttribs);
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this->startSkipping( aName, xAttribs );
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break;
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case ElementType::layer:
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case ElementType::node:
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raiseParseException( "Schema XML parser - Invalid data: found unspecified 'node' element.\n");
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// fall thru
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case ElementType::group: case ElementType::set:
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this->startNode(aInfo,xAttribs);
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OSL_ASSERT( this->isInNode() );
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break;
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case ElementType::property:
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this->startProperty(aInfo,xAttribs);
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OSL_ASSERT( this->isInUnhandledProperty() );
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break;
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case ElementType::value:
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this->startValueData(xAttribs);
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OSL_ASSERT( this->isInValueData() );
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break;
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default: // skip unknown elements
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OSL_ENSURE( aInfo.type <= ElementType::other, "Schema XML parser - Error: invalid element type value\n");
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OSL_ENSURE( aInfo.type >= ElementType::other, "Schema XML parser - Unexpected: found layer element in schema data\n");
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// accept (and skip) unknown (ElementType::other) tags in schema to allow documentation and constraints to pass without assertion
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//OSL_ENSURE( aInfo.type < ElementType::other, "Schema XML parser - Warning: ignoring unknown element tag\n");
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this->startSkipping( aName, xAttribs );
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OSL_ASSERT( this->isSkipping() );
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return;
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}
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}
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WRAP_PARSE_EXCEPTIONS_MSG("LayerParser - Starting Element")
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OSL_ENSURE(aInfo.op == Operation::none || this->isSkipping(),
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"Schema Parser: The 'op' attribute is not supported in a schema");
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL SchemaParser::endElement( const OUString& aName )
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throw (sax::SAXException, uno::RuntimeException)
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{
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if ( this->wasSkipping(aName) )
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return;
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try
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{
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if ( this->isInValueData())
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this->endValueData();
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else if (this->isInProperty())
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this->endProperty();
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else if (this->isInNode())
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this->endNode();
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else if (this->isSelected())
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this->endSection();
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else
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this->endSchema();
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}
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WRAP_PARSE_EXCEPTIONS_MSG("LayerParser - Ending Element")
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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void SchemaParser::startSchema( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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m_sComponent = aInfo.name;
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m_xHandler->startSchema();
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::endSchema( )
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{
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m_xHandler->endSchema();
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m_sComponent = OUString();
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}
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// -----------------------------------------------------------------------------
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bool SchemaParser::select(Select _select)
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{
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if (isSelected())
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raiseParseException("Schema XML parser - Invalid data: found start of section while a section is still open.\n");
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m_selected = static_cast<Select>(m_selector & _select);
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return m_selected != 0;
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::startSection( Select _select, ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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if (this->select(_select))
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{
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if (_select == selectComponent)
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{
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m_xHandler->startComponent(m_sComponent);
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}
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}
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else
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startSkipping(aInfo.name,xAttribs);
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::endSection( )
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{
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if (m_selected == selectComponent)
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{
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m_xHandler->endComponent();
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}
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m_selected = selectNone;
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::handleImport( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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OUString aComponent;
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if (getDataParser().getImportComponent(xAttribs,aComponent))
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m_xHandler->importComponent(aComponent);
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else
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raiseParseException("Schema XML parser - Invalid data: Missing component attribute for import directive.\n");
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::handleInstance( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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backenduno::TemplateIdentifier aTemplate;
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if (getDataParser().getInstanceType(xAttribs, aTemplate.Name, aTemplate.Component))
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m_xHandler->addInstance(aInfo.name, aTemplate);
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else
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raiseParseException("Schema XML parser - Invalid data: Missing type information for instantiation directive.\n");
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::handleItemType( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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backenduno::TemplateIdentifier aTemplate;
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if (getDataParser().getInstanceType(xAttribs, aTemplate.Name, aTemplate.Component))
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m_xHandler->addItemType(aTemplate);
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else
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raiseParseException("Schema XML parser - Invalid data: Missing type information for instantiation directive.\n");
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::startNode( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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bool bStartTemplate = ( !isInNode() && m_selected == selectTemplates );
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BasicParser::startNode(aInfo,xAttribs);
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OSL_ASSERT(aInfo.type == ElementType::set || aInfo.type == ElementType::group);
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using backenduno::TemplateIdentifier;
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if (aInfo.type == ElementType::group)
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{
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if (bStartTemplate)
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m_xHandler->startGroupTemplate( TemplateIdentifier(aInfo.name,m_sComponent), aInfo.flags );
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else
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m_xHandler->startGroup( aInfo.name, aInfo.flags );
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}
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else
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{
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TemplateIdentifier aItemType;
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if (!getDataParser().getSetElementType(xAttribs, aItemType.Name, aItemType.Component))
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raiseParseException("Schema XML parser - Invalid data: Missing item-type information for set node.\n");
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if (bStartTemplate)
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m_xHandler->startSetTemplate( TemplateIdentifier(aInfo.name,m_sComponent), aInfo.flags, aItemType );
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else
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m_xHandler->startSet( aInfo.name, aInfo.flags, aItemType );
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}
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::endNode()
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{
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BasicParser::endNode();
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bool bEndedTemplate = ( !isInNode() && m_selected == selectTemplates );
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if (bEndedTemplate)
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m_xHandler->endTemplate();
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else
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m_xHandler->endNode();
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::startProperty( ElementInfo const & aInfo, const uno::Reference< sax::XAttributeList >& xAttribs )
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{
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BasicParser::startProperty(aInfo,xAttribs);
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OSL_ENSURE( isInUnhandledProperty(), "Property not recognizable as unhandled");
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::endProperty()
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{
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if (isInUnhandledProperty())
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{
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ElementInfo const & aInfo = this->getActiveNodeInfo();
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m_xHandler->addProperty(aInfo.name,
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aInfo.flags,
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getActivePropertyType());
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}
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BasicParser::endProperty();
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::startValueData(const uno::Reference< sax::XAttributeList >& xAttribs)
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{
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OSL_ENSURE( this->isInUnhandledProperty(),"Schema XML parser - multiple values in property are not permitted in the schema.\n");
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BasicParser::startValueData(xAttribs);
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if (this->isValueDataLocalized())
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getLogger().warning("Language attributes on values are ignored in the schema.",
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"endValueData()","configuration::xml::SchemaParser");
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}
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// -----------------------------------------------------------------------------
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void SchemaParser::endValueData()
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{
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uno::Any aValue = this->getCurrentValue();
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ElementInfo const & aInfo = this->getActiveNodeInfo();
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if (aValue.hasValue())
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{
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m_xHandler->addPropertyWithDefault(aInfo.name,aInfo.flags,aValue);
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}
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else
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{
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getLogger().warning("Found deprecated explicit NIL value in schema data.",
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"endValueData()","configuration::xml::SchemaParser");
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m_xHandler->addProperty(aInfo.name,aInfo.flags,getActivePropertyType());
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}
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BasicParser::endValueData();
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OSL_ENSURE( !isInUnhandledProperty(), "Property not recognizable as handled");
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}
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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} // namespace
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// -----------------------------------------------------------------------------
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} // namespace
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